gcp_project_id = attribute(:gcp_project_id, default: '<%= external_attribute(pwd, 'gcp_project_id') -%>', description: 'The GCP project identifier.')
gcp_zone = attribute(:gcp_zone, default: '<%= external_attribute(pwd, 'gcp_zone') -%>', description: 'GCP zone name of the compute disk')
snapshot = attribute('snapshot', default: <%= JSON.pretty_generate(grab_attributes(pwd)['snapshot']) -%>, description: 'Compute disk snapshot description')